On Fri, Sep 21, 2012 at 10:36 AM, Andrea Aime
<andrea.a...@geo-solutions.it>wrote:
> On Fri, Sep 21, 2012 at 10:14 AM, Dwyer, Andrew <
> andrew.dw...@dsto.defence.gov.au> wrote:
>
>> *UNCLASSIFIED*****
>>
>> Hi,****
>>
>> ** **
>>
>> Can someone tell me if it’s possible to do a WFS DWithin distance filter
>> in meters on a feature type who’s native units are degrees?
>>
>
> Long story short, no, there is no unit support in distance filters.
> However, I believe that if you are using postgis and using the geography
> data type the filter will be evaluated in meters, only
> because that's the default postgis functions behavior in such case.
>
Btw, I believe units also work with Oracle, in such case with support for a
variety of them, here is an
excerpt of the ones supported from the code (it's a translation table
between the OGC units and
the Oracle internal ones):
put("metre", "m");
put("meters", "m");
put("kilometers", "km");
put("mi", "Mile");
put("miles", "Mile");
put("NM", "naut_mile");
put("feet", "foot");
put("ft", "foot");
put("in", "inch");
Cheers
Andrea
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Ing. Andrea Aime
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